规定了当阀门用于低温服务时，对适用阀门产品标准的补充要求。适用于尺寸范围DN 15至适用产品标准中的最大尺寸，温度范围为-50°C至-196°C。交叉参考:BS 131:第2BS 970BS 1400BS 1414BS 1503BS 1504BS 1868BS 1873BS 2872BS 2874BS 3100BS 4080BS 4882BS 5154BS 515BS 5352BS 5500BS 5998BS 6755部分:第1ISO 6708ISO 7268ASTM A 182ASTM A 351部分

Specifies requirements supplementary to those in the applicable valve product standards when the valves are used for cryogenic service. Applies to the size range DN 15 to the maximum size in the applicable product standards and in the temperature range of -50°C to -196°C.Cross References:BS 131:Part 2BS 970BS 1400BS 1414BS 1503BS 1504BS 1868BS 1873BS 2872BS 2874BS 3100BS 4080BS 4882BS 5154BS 5155BS 5351BS 5352BS 5500BS 5998BS 6755:Part 1ISO 6708ISO 7268ASTM A 182ASTM A 351